Research Briefs 31 Test

Research Briefs 31 Test
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Question: 1. Which tree had the deepest, most vertically oriented root systems?
Pistacia chinensis
Fraxinus uhdei
Zelkova serrata
all of the above.

Question: 2. Which statement is not true?
Cutting-propagated clones of shallow-rooted parents were shallow-rooted.
Cutting-propagated clones of deep-rooted parents were shallow-rooted.
Cutting-propagated clones of deep-rooted parents were deep-rooted.
None of the above.

Question: 3. Which statement is not true?
Calcium foliar sprays increased twig, leaf and root, freezing and salt tolerance of both species.
Calcium foliar sprays increased winter hardiness, freezing and salt tolerance of both species.
A hardiness gain from calcium foliar sprays was recorded in twig tissue of apple.
A hardiness gain from calcium foliar sprays was recorded in leaf tissue of evergreen oak.

Question: 4. Which product improved twig, leaf, and root freezing and salt tolerance in both tree species?
calcium chloride
calcium sulphate
calcium hydroxide
calcium nitrate

Question: 5. Which statement is true?
A significant correlation existed between increased winter hardiness and salinity intolerance.
Calcium sprays during late summer and fall can increase the freezing and salinity tolerance in winter.
Calcium sprays during winter can increase the freezing and salinity tolerance in spring.
All of the above.

Question: 6. Which tree can be planted using the bare-root method with irrigation in summer heat?
Baldcypress
London plane
Autumn Blaze® maple
all of the above.

Question: 7. Which activity takes less time?
Planting a given number of BR trees.
Unloading the same number of B&B tree from a trailer.
There is no difference.
It depends on the number of trees being moved.

Question: 8. The wind tests were conducted by:
a computer model.
a wind tunnel.
driving with trees in the back of a pickup truck.
none of the above.

Question: 9. Which pruning method reduced bending movement the most?
raising
reduction pruning
thinning
there was no difference

Question: 10. Which tree stabilization system withstood the largest force?
rebar and ArborBrace®
Tree Staple™
2 × 2’s anchoring the root ball
T-stakes

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